180258856420 has 96 divisors (see below), whose sum is σ = 398540491776. Its totient is φ = 68395276800.

The previous prime is 180258856381. The next prime is 180258856441. The reversal of 180258856420 is 24658852081.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11073127 + ... + 11089393.

It is an arithmetic number, because the mean of its divisors is an integer number (4151463456).

Almost surely, 2^180258856420 is an apocalyptic number.

180258856420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180258856420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199270245888).

180258856420 is an abundant number, since it is smaller than the sum of its proper divisors (218281635356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180258856420 is a wasteful number, since it uses less digits than its factorization.

180258856420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16661 (or 16659 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

The spelling of 180258856420 in words is "one hundred eighty billion, two hundred fifty-eight million, eight hundred fifty-six thousand, four hundred twenty".